<template>
  <div class="Box">
    <div class="header">
      <img src="../assets/logo.png" alt="" />
      <div class="div1"></div>
      <div class="div2">重庆市青年企业家协会
        <p class="p1">CHONGGING  YOUNG  ENTREPRENEUR'S  ASSOCIATION</p>
      </div>
    </div>
    <div class="login">
      <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
        <h3 class="title">重庆市青年企业家协会</h3>
        <el-form-item prop="username">
          <el-input v-model="loginForm.username" type="text" auto-complete="off" placeholder="账号">
            <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
          </el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input v-model="loginForm.password" type="password" auto-complete="off" placeholder="密码"
            @keyup.enter.native="handleLogin">
            <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />
          </el-input>
        </el-form-item>
        <el-form-item prop="code" v-if="captchaEnabled">
          <el-input v-model="loginForm.code" auto-complete="off" placeholder="验证码" style="width: 63%"
            @keyup.enter.native="handleLogin">
            <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
          </el-input>
          <div class="login-code">
            <img :src="codeUrl" @click="getCode" class="login-code-img" />
          </div>
        </el-form-item>
        <el-checkbox v-model="loginForm.rememberMe" style="margin: 0px 0px 25px 0px">记住密码</el-checkbox>
        <el-form-item style="width: 100%">
          <el-button :loading="loading" size="medium" type="primary" style="width: 100%"
            @click.native.prevent="handleLogin">
            <span v-if="!loading">登 录</span>
            <span v-else>登 录 中...</span>
          </el-button>
          <div style="float: right" v-if="register">
            <router-link class="link-type" :to="'/register'">立即注册</router-link>
          </div>
        </el-form-item>
      </el-form>
      <!--  底部  -->
      <div class="el-login-footer">
        <!-- <span>Copyright © 2018-2023 ruoyi.vip All Rights Reserved.</span> -->
      </div>
    </div>
    <div class="footer">COPYRIGHT 2024 重庆市青年企业家协会 版权所有</div>
  </div>
</template>

<script>
import { getCodeImg } from "@/api/login"
import Cookies from "js-cookie"
import { encrypt, decrypt } from '@/utils/jsencrypt'
import { Message } from 'element-ui'
export default {
  name: "Login",
  data() {
    return {
      codeUrl: "",
      loginForm: {
        username: "",
        password: "",
        rememberMe: false,
        code: "",
        uuid: ""
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: "请输入您的账号" }
        ],
        password: [
          { required: true, trigger: "blur", message: "请输入您的密码" }
        ],
        code: [{ required: true, trigger: "change", message: "请输入验证码" }]
      },
      loading: false,
      // 验证码开关
      captchaEnabled: true,
      // 注册开关
      register: false,
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function (route) {
        console.log(route)
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  created() {
    this.getCode()
    this.getCookie()
  },
  methods: {
    getCode() {
      getCodeImg().then(res => {
        this.captchaEnabled = res.captchaEnabled === undefined ? true : res.captchaEnabled
        if (this.captchaEnabled) {
          this.codeUrl = "data:image/gif;base64," + res.img
          this.loginForm.uuid = res.uuid
        }
      })
    },
    getCookie() {
      const username = Cookies.get("username")
      const password = Cookies.get("password")
      const rememberMe = Cookies.get('rememberMe')
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      }
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, { expires: 30 })
            Cookies.set("password", encrypt(this.loginForm.password), { expires: 30 })
            Cookies.set('rememberMe', this.loginForm.rememberMe, { expires: 30 })
          } else {
            Cookies.remove("username")
            Cookies.remove("password")
            Cookies.remove('rememberMe')
          }
          this.$store.dispatch('Login', this.loginForm).then(() => {
            // 1、跳到登录后指定跳转的页面或者登录后跳到首页
            // this.$router.push({ path: this.redirect || '/' }).catch(() => {})
            // 2、登录后跳到路由默认的第一个路由页面
            this.$store.dispatch('GetInfo').then(res => {
              // 拉取完user_info信息
              const roles = res.roles
              this.$store.dispatch('GenerateRoutes', { roles }).then(accessRoutes => {

                // 根据roles权限生成可访问的路由表
                // console.log(accessRoutes, from, to.fullPath)
                this.$router.addRoutes(accessRoutes) // 动态添加可访问路由表
                let pathIndex = ''
                console.log(accessRoutes);
                pathIndex = accessRoutes[0].path + '/' + accessRoutes[0].children[0].path // 设置默认首页地址indexPage
                // console.log(this.redirect, pathIndex)
                // 1、this.redirect == undefined,主要针对直接从http://172.16.6.205:9090/login，登入系统。
                // 2、this.redirect == '/'，主要针对直接从这个http://172.16.6.205:9090/login?redirect=%2F，登入系统。因为没有设置重定向的路由
                // 如果登录的时候出现1、2两种情况，那么就跳到路由的第一个路由页面，如果登录的时候，有设置可以访问的重定向地址，那么登录后就跳到重定向地址。
                if (pathIndex != '') {
                  this.$router.push({ path: this.redirect == '/' || this.redirect == undefined ? pathIndex : this.redirect }).catch(() => { }) // 跳转重定向页面或跳到默认首页indexPage
                }
              })
            })
              .catch(err => {
                this.$store.dispatch('LogOut').then(() => {
                  Message.error(err)
                  next({ path: '/login' })
                })
              })
          })
            .catch(error => {
              this.errorMsg = error
              this.loading = false
              this.getCode()
            })
        }
      })
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss" scoped>
.Box {
  height: 100vh;
  background: url("../assets/back.jpg") center center / 100% 100% no-repeat;
}

.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: calc(100% - 240px);
}

.header {
  height: 120px;
  width: 100%;
  display: flex;
  align-items: center;
  background: #fff;

  img {
    margin-left: 240px;
    width: 70px;
    height: 55px;
  }

  .div1 {
    margin-left: 23px;
    width: 1px;
    height: 35px;
    background: #acabab;
  }

  .div2 {
    margin-left: 23px;
    font-family: Alibaba PuHuiTi;
    font-weight: 500;
    font-size: 24px;
    color: #333333;
    margin-bottom: -10px;
  }

  .p1{
    font-family: Alibaba PuHuiTi;
    font-weight: 400;
    font-size: 9px;
    color: #333333;
    text-align: center;
    margin-top: 0px;
  }
}

.footer {
  height: 120px;
  font-size: 14px;
  font-family: Alibaba PuHuiTi;
  font-weight: 400;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #333333;
  width: 100%;
  background: #fff;
}

.title {
  margin: 0px auto 30px auto;
  text-align: center;
  color: #707070;
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  width: 400px;
  padding: 25px 25px 5px 25px;

  .el-input {
    height: 38px;

    input {
      height: 38px;
    }
  }

  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}

.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}

.login-code {
  width: 33%;
  height: 38px;
  float: right;

  img {
    cursor: pointer;
    vertical-align: middle;
  }
}

.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}

.login-code-img {
  height: 38px;
}
</style>
